660005027 has 12 divisors (see below), whose sum is σ = 726320448. Its totient is φ = 599293200.

The previous prime is 660005011. The next prime is 660005039. The reversal of 660005027 is 720500066.

660005027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 660005027 - 2⁴ = 660005011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660004987 and 660005005.

It is not an unprimeable number, because it can be changed into a prime (660005057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117902 + ... + 123372.

It is an arithmetic number, because the mean of its divisors is an integer number (60526704).

Almost surely, 2^660005027 is an apocalyptic number.

660005027 is a deficient number, since it is larger than the sum of its proper divisors (66315421).

660005027 is a wasteful number, since it uses less digits than its factorization.

660005027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490 (or 6479 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 660005027 is about 25690.5629949988. The cubic root of 660005027 is about 870.6609796176.

The spelling of 660005027 in words is "six hundred sixty million, five thousand, twenty-seven".